In these two papers, Money and Hampson review sixteen case of idiopathic sexual precocity, illustrating their findings with detailed reports of one male and three females. Their principal conclusion is that the sexual precocity does not in itself predispose to any psychological maladjustment or gross psychosexual disorder. Overcoming baffling and difficult problems of life caused the important conflicts of these patients. The unusually severe psychological problems of one girl were related not to her precocious development but rather to her life with a psychotic father. No unusual erotic activity was encountered. The authors state '… learned information and experience are extremely significant in the genesis of sexual dreams, thoughts, inclinations, and orientation: unlearned biological processes establish only the magnitude of libido; for instance, the intensity and frequency of autonomous genital organ sensations and functions and perhaps of